EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 5 8 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L power:+12V #PWR073 U 1 1 60E341D3 P 4150 3400 F 0 "#PWR073" H 4150 3250 50 0001 C CNN F 1 "+12V" H 4165 3573 50 0000 C CNN F 2 "" H 4150 3400 50 0001 C CNN F 3 "" H 4150 3400 50 0001 C CNN 1 4150 3400 1 0 0 -1 $EndComp $Comp L power:GND #PWR074 U 1 1 60E344EB P 4150 5300 F 0 "#PWR074" H 4150 5050 50 0001 C CNN F 1 "GND" H 4155 5127 50 0000 C CNN F 2 "" H 4150 5300 50 0001 C CNN F 3 "" H 4150 5300 50 0001 C CNN 1 4150 5300 1 0 0 -1 $EndComp $Comp L SI4425DDY:SI4425DDY-T1-GE3 Q? U 1 1 60F5F01A P 4950 4100 AR Path="/60C2FE2A/60F5F01A" Ref="Q?" Part="1" AR Path="/60E3407A/60F5F01A" Ref="Q6" Part="1" F 0 "Q6" V 5739 4000 50 0000 C CNN F 1 "SI4425DDY-T1-GE3" V 5830 4000 50 0000 C CNN F 2 "SI4425DDY:Vishay-C-06527-09_2006-I-0" H 4950 4600 50 0001 L CNN F 3 "http://www.vishay.com/docs/64732/si4425dd.pdf" H 4950 4700 50 0001 L CNN F 4 "Trans" H 4950 4800 50 0001 L CNN "category" F 5 "-13A" H 4950 4900 50 0001 L CNN "continuous drain current" F 6 "Discrete Semiconductors" H 4950 5000 50 0001 L CNN "device class L1" F 7 "Transistors" H 4950 5100 50 0001 L CNN "device class L2" F 8 "MOSFETs" H 4950 5200 50 0001 L CNN "device class L3" F 9 "MOSFET P-CH 30V 19.7A 8-SOIC" H 4950 5300 50 0001 L CNN "digikey description" F 10 "SI4425DDY-T1-GE3CT-ND" H 4950 5400 50 0001 L CNN "digikey part number" F 11 "-30V" H 4950 5500 50 0001 L CNN "drain to source breakdown voltage" F 12 "0.0081Ω" H 4950 5600 50 0001 L CNN "drain to source resistance" F 13 "-30V" H 4950 5700 50 0001 L CNN "drain to source voltage" F 14 "20V" H 4950 5800 50 0001 L CNN "gate to source voltage" F 15 "1.75mm" H 4950 5900 50 0001 L CNN "height" F 16 "2610pF @ -15V" H 4950 6000 50 0001 L CNN "input capacitace at vds" F 17 "yes" H 4950 6100 50 0001 L CNN "lead free" F 18 "e8ffa996ad20234c" H 4950 6200 50 0001 L CNN "library id" F 19 "Vishay" H 4950 6300 50 0001 L CNN "manufacturer" F 20 "+150°C" H 4950 6400 50 0001 L CNN "max junction temp" F 21 "MOSFET 30V 19.7A 5.7W 9.8mohm @ 10V" H 4950 6500 50 0001 L CNN "mouser description" F 22 "781-SI4425DDY-GE3" H 4950 6600 50 0001 L CNN "mouser part number" F 23 "1" H 4950 6700 50 0001 L CNN "number of P channels" F 24 "1" H 4950 6800 50 0001 L CNN "number of channels" F 25 "SO-8" H 4950 6900 50 0001 L CNN "package" F 26 "2.5W" H 4950 7000 50 0001 L CNN "power dissipation" F 27 "yes" H 4950 7100 50 0001 L CNN "rohs" F 28 "0.1mm" H 4950 7200 50 0001 L CNN "standoff height" F 29 "MOSFET" H 4950 7300 50 0001 L CNN "technology" F 30 "+150°C" H 4950 7400 50 0001 L CNN "temperature range high" F 31 "-55°C" H 4950 7500 50 0001 L CNN "temperature range low" F 32 "-1.2V" H 4950 7600 50 0001 L CNN "threshold vgs" F 33 "42ns" H 4950 7700 50 0001 L CNN "turn off delay time" F 34 "12ns" H 4950 7800 50 0001 L CNN "turn on delay time" 1 4950 4100 0 -1 -1 0 $EndComp $Comp L Device:Q_NPN_BEC Q5 U 1 1 60F73A02 P 4050 4800 F 0 "Q5" H 4240 4846 50 0000 L CNN F 1 "PMBT3904" H 4240 4755 50 0000 L CNN F 2 "Package_TO_SOT_SMD:SOT-23" H 4250 4900 50 0001 C CNN F 3 "~" H 4050 4800 50 0001 C CNN 1 4050 4800 1 0 0 -1 $EndComp $Comp L Device:R R116 U 1 1 60F7CC07 P 4150 3850 F 0 "R116" H 4220 3896 50 0000 L CNN F 1 "10k" H 4220 3805 50 0000 L CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 4080 3850 50 0001 C CNN F 3 "~" H 4150 3850 50 0001 C CNN 1 4150 3850 1 0 0 -1 $EndComp $Comp L Diode:BZX84Cxx D15 U 1 1 60F888E6 P 4450 3850 F 0 "D15" V 4404 3930 50 0000 L CNN F 1 "BZX584C9V1" V 4495 3930 50 0000 L CNN F 2 "Diode_SMD:D_SOT-23_ANK" H 4450 3675 50 0001 C CNN F 3 "https://diotec.com/tl_files/diotec/files/pdf/datasheets/bzx84c2v4.pdf" H 4450 3850 50 0001 C CNN 1 4450 3850 0 1 1 0 $EndComp $Comp L Device:R R115 U 1 1 60F8DC46 P 3700 5000 F 0 "R115" V 3907 5000 50 0000 C CNN F 1 "10k" V 3816 5000 50 0000 C CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 3630 5000 50 0001 C CNN F 3 "~" H 3700 5000 50 0001 C CNN 1 3700 5000 -1 0 0 1 $EndComp $Comp L Device:R R114 U 1 1 60F8FB89 P 3400 4800 F 0 "R114" H 3470 4846 50 0000 L CNN F 1 "1k" H 3470 4755 50 0000 L CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 3330 4800 50 0001 C CNN F 3 "~" H 3400 4800 50 0001 C CNN 1 3400 4800 0 -1 -1 0 $EndComp $Comp L Device:C C46 U 1 1 60F975CA P 3050 5000 F 0 "C46" H 3165 5046 50 0000 L CNN F 1 "47pF" H 3165 4955 50 0000 L CNN F 2 "Capacitor_SMD:C_0402_1005Metric" H 3088 4850 50 0001 C CNN F 3 "~" H 3050 5000 50 0001 C CNN 1 3050 5000 1 0 0 -1 $EndComp $Comp L Device:L L2 U 1 1 60F9B28D P 2700 4800 F 0 "L2" V 2890 4800 50 0000 C CNN F 1 "150mH" V 2799 4800 50 0000 C CNN F 2 "Inductor_SMD:L_0402_1005Metric" H 2700 4800 50 0001 C CNN F 3 "~" H 2700 4800 50 0001 C CNN 1 2700 4800 0 -1 -1 0 $EndComp Wire Wire Line 5350 3700 5450 3700 Wire Wire Line 5450 3700 5450 3600 Wire Wire Line 5450 3400 5350 3400 Wire Wire Line 5350 3500 5450 3500 Connection ~ 5450 3500 Wire Wire Line 5450 3500 5450 3400 Wire Wire Line 5350 3600 5450 3600 Connection ~ 5450 3600 Wire Wire Line 5450 3600 5450 3500 Wire Wire Line 4750 3500 4650 3500 Wire Wire Line 4650 3500 4650 3600 Wire Wire Line 4650 3700 4750 3700 Wire Wire Line 4750 3600 4650 3600 Connection ~ 4650 3600 Wire Wire Line 4650 3600 4650 3700 Wire Wire Line 4150 3700 4150 3600 Wire Wire Line 4150 3600 4450 3600 Wire Wire Line 4450 3700 4450 3600 Connection ~ 4450 3600 Wire Wire Line 4450 3600 4650 3600 Wire Wire Line 4150 3400 4150 3600 Connection ~ 4150 3600 Wire Wire Line 4150 4000 4150 4100 Wire Wire Line 4150 4100 4450 4100 Wire Wire Line 4950 4100 4950 4000 Wire Wire Line 4450 4000 4450 4100 Connection ~ 4450 4100 Wire Wire Line 4450 4100 4950 4100 $Comp L Device:R R117 U 1 1 60FAE04E P 4150 4350 F 0 "R117" H 4220 4396 50 0000 L CNN F 1 "1k" H 4220 4305 50 0000 L CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 4080 4350 50 0001 C CNN F 3 "~" H 4150 4350 50 0001 C CNN 1 4150 4350 1 0 0 -1 $EndComp Wire Wire Line 4150 4200 4150 4100 Connection ~ 4150 4100 Wire Wire Line 4150 4500 4150 4600 Wire Wire Line 4150 4950 4150 5000 Connection ~ 4150 5000 Wire Wire Line 4150 5000 4150 5200 Wire Wire Line 3550 4800 3700 4800 Wire Wire Line 3700 5150 3700 5200 Wire Wire Line 3700 5200 4150 5200 Connection ~ 4150 5200 Wire Wire Line 4150 5200 4150 5300 Wire Wire Line 3700 4850 3700 4800 Connection ~ 3700 4800 Wire Wire Line 3700 4800 3850 4800 Wire Wire Line 3250 4800 3050 4800 Wire Wire Line 3050 4850 3050 4800 Connection ~ 3050 4800 Wire Wire Line 3050 4800 2850 4800 Wire Wire Line 3050 5150 3050 5200 Wire Wire Line 3050 5200 3700 5200 Connection ~ 3700 5200 $Comp L Device:R R118 U 1 1 60FB945B P 5450 4650 F 0 "R118" V 5243 4650 50 0000 C CNN F 1 "0.1/1%/3W" V 5334 4650 50 0000 C CNN F 2 "Resistor_SMD:R_2010_5025Metric" V 5380 4650 50 0001 C CNN F 3 "~" H 5450 4650 50 0001 C CNN 1 5450 4650 -1 0 0 1 $EndComp Text HLabel 2400 4800 0 50 Input ~ 0 12V_SW Wire Wire Line 2550 4800 2400 4800 $Comp L Device:R R119 U 1 1 60FC6B88 P 6350 4300 F 0 "R119" V 6143 4300 50 0000 C CNN F 1 "2k" V 6234 4300 50 0000 C CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 6280 4300 50 0001 C CNN F 3 "~" H 6350 4300 50 0001 C CNN 1 6350 4300 0 1 1 0 $EndComp $Comp L Device:R R120 U 1 1 60FCBC80 P 6350 5050 F 0 "R120" V 6143 5050 50 0000 C CNN F 1 "2k" V 6234 5050 50 0000 C CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 6280 5050 50 0001 C CNN F 3 "~" H 6350 5050 50 0001 C CNN 1 6350 5050 0 1 1 0 $EndComp $Comp L Device:R R121 U 1 1 60FCCF2E P 7450 5050 F 0 "R121" V 7243 5050 50 0000 C CNN F 1 "20k" V 7334 5050 50 0000 C CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 7380 5050 50 0001 C CNN F 3 "~" H 7450 5050 50 0001 C CNN 1 7450 5050 0 1 1 0 $EndComp $Comp L Device:C C47 U 1 1 60FDCA77 P 5850 4650 F 0 "C47" H 5965 4696 50 0000 L CNN F 1 "1000pF" H 5965 4605 50 0000 L CNN F 2 "Capacitor_SMD:C_0402_1005Metric" H 5888 4500 50 0001 C CNN F 3 "~" H 5850 4650 50 0001 C CNN 1 5850 4650 1 0 0 -1 $EndComp Wire Wire Line 6500 4300 6700 4300 Wire Wire Line 5850 4500 5850 4300 Wire Wire Line 5850 4300 6200 4300 Wire Wire Line 5850 4800 5850 5050 Wire Wire Line 5850 5050 6200 5050 Wire Wire Line 6500 5050 6700 5050 Wire Wire Line 6700 5050 6700 4500 Wire Wire Line 6700 4500 6800 4500 Wire Wire Line 6700 5050 7300 5050 Connection ~ 6700 5050 Wire Wire Line 7600 5050 7800 5050 Wire Wire Line 7800 5050 7800 4400 Wire Wire Line 7800 4400 7400 4400 $Comp L power:GND #PWR076 U 1 1 60FE27EF P 9200 2200 F 0 "#PWR076" H 9200 1950 50 0001 C CNN F 1 "GND" H 9205 2027 50 0000 C CNN F 2 "" H 9200 2200 50 0001 C CNN F 3 "" H 9200 2200 50 0001 C CNN 1 9200 2200 0 -1 -1 0 $EndComp Wire Wire Line 7100 2200 7150 2200 $Comp L power:+3V3 #PWR075 U 1 1 60FEADD5 P 6700 2200 F 0 "#PWR075" H 6700 2050 50 0001 C CNN F 1 "+3V3" H 6715 2373 50 0000 C CNN F 2 "" H 6700 2200 50 0001 C CNN F 3 "" H 6700 2200 50 0001 C CNN 1 6700 2200 0 -1 -1 0 $EndComp $Comp L Device:L L5 U 1 1 60FEB56F P 6950 2200 F 0 "L5" H 7003 2246 50 0000 L CNN F 1 "220" H 7003 2155 50 0000 L CNN F 2 "Inductor_SMD:L_0402_1005Metric" H 6950 2200 50 0001 C CNN F 3 "~" H 6950 2200 50 0001 C CNN 1 6950 2200 0 -1 -1 0 $EndComp $Comp L Device:C C48 U 1 1 60FF4D01 P 7550 1700 F 0 "C48" H 7665 1746 50 0000 L CNN F 1 "10uF" H 7665 1655 50 0000 L CNN F 2 "Capacitor_SMD:C_0402_1005Metric" H 7588 1550 50 0001 C CNN F 3 "~" H 7550 1700 50 0001 C CNN 1 7550 1700 0 -1 -1 0 $EndComp Wire Wire Line 5450 3700 5450 4300 Connection ~ 5450 3700 Wire Wire Line 5850 4300 5450 4300 Connection ~ 5850 4300 Connection ~ 5450 4300 Wire Wire Line 5450 4300 5450 4500 Wire Wire Line 5450 4800 5450 5050 Wire Wire Line 5850 5050 5450 5050 Connection ~ 5850 5050 Connection ~ 5450 5050 Text HLabel 8750 4400 2 50 Input ~ 0 12V_CURRENT Wire Wire Line 5450 5050 5450 5400 Wire Wire Line 5550 5400 5450 5400 Wire Wire Line 5450 5500 5450 5700 Wire Wire Line 5550 5500 5450 5500 $Comp L power:GND #PWR086 U 1 1 61787915 P 5450 5700 F 0 "#PWR086" H 5450 5450 50 0001 C CNN F 1 "GND" H 5455 5527 50 0000 C CNN F 2 "" H 5450 5700 50 0001 C CNN F 3 "" H 5450 5700 50 0001 C CNN 1 5450 5700 1 0 0 -1 $EndComp $Comp L Connector_Generic:Conn_01x02 J8 U 1 1 61786D79 P 5750 5400 F 0 "J8" H 5830 5392 50 0000 L CNN F 1 "12V_OUT" H 5830 5301 50 0000 L CNN F 2 "" H 5750 5400 50 0001 C CNN F 3 "~" H 5750 5400 50 0001 C CNN 1 5750 5400 1 0 0 -1 $EndComp Text HLabel 5350 5400 0 50 Input ~ 0 12V_OUT Wire Wire Line 5350 5400 5450 5400 Connection ~ 5450 5400 $Comp L Device:R R131 U 1 1 628EB7FE P 6150 3400 F 0 "R131" H 6220 3446 50 0000 L CNN F 1 "10k" H 6220 3355 50 0000 L CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 6080 3400 50 0001 C CNN F 3 "~" H 6150 3400 50 0001 C CNN 1 6150 3400 0 -1 -1 0 $EndComp $Comp L Device:LED D21 U 1 1 628EC8B3 P 5750 3400 F 0 "D21" V 5789 3282 50 0000 R CNN F 1 "LED_12V_OUT" V 5698 3282 50 0000 R CNN F 2 "LED_SMD:LED_0603_1608Metric" H 5750 3400 50 0001 C CNN F 3 "~" H 5750 3400 50 0001 C CNN 1 5750 3400 -1 0 0 1 $EndComp $Comp L power:GND #PWR0125 U 1 1 628F2CF4 P 6450 3550 F 0 "#PWR0125" H 6450 3300 50 0001 C CNN F 1 "GND" H 6455 3377 50 0000 C CNN F 2 "" H 6450 3550 50 0001 C CNN F 3 "" H 6450 3550 50 0001 C CNN 1 6450 3550 1 0 0 -1 $EndComp Wire Wire Line 5450 3400 5600 3400 Connection ~ 5450 3400 Wire Wire Line 5900 3400 6000 3400 Wire Wire Line 6300 3400 6450 3400 Wire Wire Line 6450 3400 6450 3550 $Comp L Amplifier_Operational:LMV358 U15 U 1 1 629046A3 P 7100 4400 F 0 "U15" H 7100 4767 50 0000 C CNN F 1 "LMV358" H 7100 4676 50 0000 C CNN F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 7100 4400 50 0001 C CNN F 3 "http://www.ti.com/lit/ds/symlink/lmv324.pdf" H 7100 4400 50 0001 C CNN 1 7100 4400 1 0 0 -1 $EndComp $Comp L Amplifier_Operational:LMV358 U15 U 2 1 6290857B P 8000 3300 F 0 "U15" H 8000 3667 50 0000 C CNN F 1 "LMV358" H 8000 3576 50 0000 C CNN F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 8000 3300 50 0001 C CNN F 3 "http://www.ti.com/lit/ds/symlink/lmv324.pdf" H 8000 3300 50 0001 C CNN 2 8000 3300 1 0 0 -1 $EndComp $Comp L Amplifier_Operational:LMV358 U15 U 3 1 629098A7 P 7550 2100 F 0 "U15" H 7508 2146 50 0000 L CNN F 1 "LMV358" H 7508 2055 50 0000 L CNN F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 7550 2100 50 0001 C CNN F 3 "http://www.ti.com/lit/ds/symlink/lmv324.pdf" H 7550 2100 50 0001 C CNN 3 7550 2100 0 -1 -1 0 $EndComp Wire Wire Line 6700 2200 6800 2200 Wire Wire Line 7950 1700 7950 2200 Wire Wire Line 7150 1700 7150 2200 Connection ~ 7150 2200 Wire Wire Line 7150 2200 7200 2200 Wire Wire Line 7700 3400 7550 3400 Wire Wire Line 7550 3400 7550 3600 Wire Wire Line 7550 3600 8450 3600 Wire Wire Line 8450 3600 8450 3300 Wire Wire Line 8450 3300 8300 3300 $Comp L Device:R R138 U 1 1 6296BEBC P 7750 2550 F 0 "R138" H 7820 2596 50 0000 L CNN F 1 "10k/0.5%" H 7820 2505 50 0000 L CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 7680 2550 50 0001 C CNN F 3 "~" H 7750 2550 50 0001 C CNN 1 7750 2550 0 1 1 0 $EndComp $Comp L Device:R R136 U 1 1 62974244 P 7350 2550 F 0 "R136" H 7420 2596 50 0000 L CNN F 1 "10k/0.5%" H 7420 2505 50 0000 L CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 7280 2550 50 0001 C CNN F 3 "~" H 7350 2550 50 0001 C CNN 1 7350 2550 0 1 1 0 $EndComp Wire Wire Line 7500 2550 7550 2550 Wire Wire Line 7150 2550 7150 2200 Wire Wire Line 7950 2550 7950 2200 Wire Wire Line 7700 3200 7550 3200 Wire Wire Line 7550 2550 7550 3200 Connection ~ 7550 2550 Wire Wire Line 7550 2550 7600 2550 $Comp L Device:R R137 U 1 1 62A0C21C P 7450 3850 F 0 "R137" V 7243 3850 50 0000 C CNN F 1 "20k" V 7334 3850 50 0000 C CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 7380 3850 50 0001 C CNN F 3 "~" H 7450 3850 50 0001 C CNN 1 7450 3850 0 1 1 0 $EndComp Wire Wire Line 7300 3850 6700 3850 Wire Wire Line 6700 3850 6700 4300 Connection ~ 6700 4300 Wire Wire Line 6700 4300 6800 4300 $Comp L Device:C C51 U 1 1 62A14F04 P 8950 2900 F 0 "C51" H 9065 2946 50 0000 L CNN F 1 "2.2uF" H 9065 2855 50 0000 L CNN F 2 "Capacitor_SMD:C_0402_1005Metric" H 8988 2750 50 0001 C CNN F 3 "~" H 8950 2900 50 0001 C CNN 1 8950 2900 1 0 0 -1 $EndComp $Comp L Device:R R140 U 1 1 62A1B506 P 8700 3300 F 0 "R140" V 8493 3300 50 0000 C CNN F 1 "10" V 8584 3300 50 0000 C CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 8630 3300 50 0001 C CNN F 3 "~" H 8700 3300 50 0001 C CNN 1 8700 3300 0 1 1 0 $EndComp Wire Wire Line 8950 2750 8950 2200 Connection ~ 8950 2200 Wire Wire Line 8950 2200 9200 2200 Wire Wire Line 8450 3300 8550 3300 Connection ~ 8450 3300 Wire Wire Line 8850 3300 8950 3300 Wire Wire Line 8950 3300 8950 3050 Wire Wire Line 8950 3300 8950 3850 Wire Wire Line 8950 3850 7600 3850 Connection ~ 8950 3300 Connection ~ 7950 2200 Wire Wire Line 7950 2200 8950 2200 Wire Wire Line 7850 2200 7950 2200 Wire Wire Line 7150 1700 7400 1700 Wire Wire Line 7700 1700 7950 1700 Wire Wire Line 7950 2550 7900 2550 Wire Wire Line 7200 2550 7150 2550 $Comp L Device:R R139 U 1 1 62A78411 P 8150 4400 F 0 "R139" V 7943 4400 50 0000 C CNN F 1 "51" V 8034 4400 50 0000 C CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 8080 4400 50 0001 C CNN F 3 "~" H 8150 4400 50 0001 C CNN 1 8150 4400 0 1 1 0 $EndComp $Comp L Device:C C50 U 1 1 62A78F3B P 8550 4800 F 0 "C50" H 8665 4846 50 0000 L CNN F 1 "2.2uF" H 8665 4755 50 0000 L CNN F 2 "Capacitor_SMD:C_0402_1005Metric" H 8588 4650 50 0001 C CNN F 3 "~" H 8550 4800 50 0001 C CNN 1 8550 4800 1 0 0 -1 $EndComp Wire Wire Line 8000 4400 7800 4400 Connection ~ 7800 4400 Wire Wire Line 8300 4400 8550 4400 Wire Wire Line 8550 4650 8550 4400 Connection ~ 8550 4400 Wire Wire Line 8550 4400 8750 4400 $Comp L power:GND #PWR077 U 1 1 62A922E1 P 8550 5100 F 0 "#PWR077" H 8550 4850 50 0001 C CNN F 1 "GND" H 8555 4927 50 0000 C CNN F 2 "" H 8550 5100 50 0001 C CNN F 3 "" H 8550 5100 50 0001 C CNN 1 8550 5100 1 0 0 -1 $EndComp Wire Wire Line 8550 4950 8550 5100 $EndSCHEMATC